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Heat transport with strong on- and off-axis heating

B. Balet, J.G. Cordey1994年被引用 7Nuclear FusionIF 3出版社

The analysis of discharges with strong on- and off-axis ion cyclotron resonance heating shows that the transport of heat in JET is local and diffusive. Discharges with or without pellet injection are considered; in all cases, the electron temperature profile responds to the location of the heating. The total heat flow Q can be described by a local diffusive model of the form Q = -χ(qψ, |∇Te|) ne ∇Te, where χ is proportional to qψ1.75 and increases with |∇Te|. Several forms of the dependence of χ on |∇Te| are shown to give a reasonable fit to the data

日本語訳

強いオン・オフ軸イオンサイクロトロン共鳴加熱を伴う放電の解析により、JETにおける熱輸送が局所的かつ拡散的であることが示される。ペレット入射を伴う場合と伴わない場合の放電を考察する。いずれの場合も、電子温度分布は加熱の位置に応答する。全熱流束Qは、Q = -χ(qψ, |∇Te|) ne ∇Te の形の局所拡散モデルで記述でき、ここでχはqψ1.75に比例し、|∇Te|とともに増加する。χの|∇Te|依存性のいくつかの形がデータと妥当な一致を示すことが示される。

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